100
38.5
The sum of the first 100 odd numbers (1 through 199) is 10000 (ten thou)
1, 2, 10, 11, 12, 20, 21, 22, 100, 101.
2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 = 110 There you go.
100
-55
38.5
2520
The first ten positive numbers total 55.
It is 110.
2520
The sum of the first 100 odd numbers (1 through 199) is 10000 (ten thou)
2520
The sum of the first 10 natural numbers is 51.
To find the sum of the first ten prime numbers, you first have to find what the first 10 prime numbers are. They are 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29. Added together they equal 129.
21 and 30 if you're only counting distinct factors. Add 25 and 32 if you're not.